Health research methodology  a guide for training in research methods 

 - 2nd ed. 
 - Manila  World health organization  2001 
 - ix,237p.  26cm 
<br/><br/><label>ISBN: </label>929061157X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research : statistical methods<br/>Health services research-methods<br/>Research design
<br/><br/><label>Dewey Class. No.: </label>001.42  / HEA